*{
    margin: 0;
    padding: 0;
}
a{
    text-decoration: none;
    color: #000;
}
.login{
    height: 25px;
    background: black;
}
.login_content{
    width: 90%;
    max-width: 1800px;
    margin: 0 auto;
    list-style: none;
    height:100%;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}
.login_content li{
    margin-left:  15px;
    font-size: 13px;
    color: #ccc;
    display: flex;
    cursor: pointer;
}
.login_content li i{
    margin-right: 3px;
}
/* 导航模块 */
.nav{
    background:rgba(231, 229, 229,.2);
}
.nav_center{
    width:90%;
    max-width: 1800px;
    height: 80px;
    margin: 0 auto;
    overflow:hidden;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.nav_logo{
    width: 133px;
    min-width: 133px;
    height: 30px;
    cursor: pointer;
}
.nav_logo img{
    width: 100%;
}
.nav_nav{
    display: flex;
}
.nav_nav section{
    padding: 25px;
}
.nav_shop{
    display: flex;
}
.shop{
    margin-right:25px;
    cursor: pointer;
}
.shop i{
    font-size: 25px;
}
.seacher i{
    font-size: 25px;
    cursor: pointer;
}
.section_970{
    display: none;
    white-space: nowrap;
}
.section_970 i{
    font-size: 28px;
    margin-left:15px;
    cursor: pointer;
}
/* 显示隐藏模块 */
.showhide{
    position: relative;
}
.showhide section{
    width: 100%;
    height: 350px;
    position: absolute;
    text-align: center;
    line-height: 350px;
    background: #ccc;
    display: none;
    z-index: 999;
}
.showhide section i{
    width: 30px;
    height: 30px;
    position: absolute;
    bottom:50px;
    right: 50px;
    text-align: center;
    line-height: 30px;
    font-size: 25px;
    cursor: pointer;
    font-weight: bold;
    background-color: #fff;
}
/* 970导航 */
.xnav{
    width: 100%;
    padding: 20px 10px;
    background: #F8F8F8;
    margin-top: 6px;
    display: none;
    position: absolute;
    z-index: 999;
}
.xnav_center{
    width: 90%;
    margin: 0 auto;
}
.xnav_items{
    position: relative;
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid#d4d4d4;
    font-weight: bold;
    white-space: nowrap;
    cursor: pointer;
}
.xnav_items::after{
    content: '>';
    width: 10px;
    height: 10px;
    position: absolute;
    right:0 ;
}
/* maxwidth 包着整个内容 */
.maxwidth{
    /* width: 90%; */
    max-width: 1800px;
    margin: 0 auto;
}
/* banner轮播 */
.banner{
    position: relative;
    overflow: hidden;
    cursor: pointer;
}
.swiper-slide {
    text-align: center;
    font-size: 18px;
    background: #fff;
    /* Center slide text vertically */
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
}
.swiper-slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.banner .banner_x{
    display: none;
}
.banner .next,.banner .prev{
    opacity: 0;
    transition: .3s;
}
.banner:hover .next{
    opacity: 1!important;
}
.banner:hover .prev{
    opacity: 1!important;
}
/* 推荐信息 */
.recommend_center{
    width: 90%;
    margin: 0 auto;
    padding: 50px 0;
}
.recommend_tit{
    font-size: 35px;
    font-weight: bold;
    margin-bottom: 50px;
    display: flex;
    justify-content: center;
    position: relative;
}
.recommend_tit::after{
    content: '';
    display: block;
    width: 50px;
    height:3px;
    background: #c7000b;
    position: absolute;
    bottom: -10px;
}
.recommend_content{
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}
.recommend_content .recommend_items{
    position: relative;
    overflow: hidden;
    margin-bottom: 22px;
}
.recommend_content .recommend_items:nth-child(1){
    width: 66%;
}
.recommend_content .recommend_items:nth-child(2){
    width: 32%;
}
.recommend_content .recommend_items:nth-child(3){
    width: 32%;
}
.recommend_content .recommend_items:nth-child(4){
    width: 66%;
}
.recommend_content .recommend_items:nth-child(5){
    width: 32%;
}
.recommend_content .recommend_items:nth-child(6){
    width: 32%;
}
.recommend_content .recommend_items:nth-child(7){
    width: 32%;
}
.recommend_img{
    height: 100%;
    overflow: hidden;
    position: relative;
}
.recommend_items:hover .recommend_img .recommend_img1{
    transform: scale(1.1);
}
.recommend_img a .recommend_img1{
    width: 100%;
    height: 100%;
    display: block;
    transition: all .3s;
}
.recommend_img .recommend_bg{
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    display: none;
    cursor: pointer;
}
.recommend_items:hover .recommend_img .recommend_bg{
    display: block;
}
.recommend_product{
    width: 100%;
    position: absolute;
    bottom: -25px;
    color: #fff;
    left: 25px;
    transition: all .3s;
    cursor: pointer;
}
.recommend_product p{
    margin: 5px 0;
}
.recommend_product .phone{
    font-size: 22px;
    font-weight: bold;
}
.recommend_product .up{
    color: #ccc;
    margin-bottom: 20px;
}
.recommend_items:hover .recommend_product{
    bottom: 25px;
}
.recommend_product .many{
    position: relative;
}
.recommend_product .many::after{
    content: '>';
    display: block;
    color: red;
    text-align: center;
    position: absolute;
    left: 70px;
    top: 0;
}
.x_recommend{
    display: none;
}
.x_recommend_1{
    display: none;
}
/* 科技助力自然保护地 */
.science img{
    width: 100%;
    display: block;
}
.science .envi_x{
    display: none;
}
/* 新闻与活动 */
.news{
    width: 90%;
    margin: 0 auto; 
    padding: 50px 0;
}
.news_center{
    display: flex;
    justify-content: space-between;
}
.news_center .news_items{
    width: 32%;
    cursor: pointer;
    padding-bottom: 50px;
    background: #F8F8F8;
    position: relative;
    margin-bottom: 40px;
}
.news_img{
    overflow: hidden;
}
.news_img img{
    width: 100%;
    display: block;
    transition: all .3s;
}
.news_items:hover .news_img img{
    transform: scale(1.1);
}
.news_p{
    width: 85%;
    margin: 0 auto;
    padding-top: 30px;
}
.news_p .news_tit{
    font-weight: bold;
}
.news_p p{
    margin-bottom: 6px;
}
.news_p .news_place{
    color: #333;
}
.news_p .news_txt{
    color: #666;
}
.news_items .news_span{
    width: 100px;
    height: 30px;
    background:rgba(0,0, 0, .5);
    position: absolute;
    top: 0;
    left: 0;
    text-align: center;
    line-height: 30px;
    color: #fff;
    font-size: 14px;
}
.news_news{
    width: 85%;
    height: 100%;
    margin: 0 auto;
    padding-top:35px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
}
.news_news .news_p1{
    flex: 1;
    font-weight: bold;
    margin-bottom: 20px;
}
.news_news .news_p1 span{
    font-size: 14px;
    color: #666;
    transition: all .3s;
}
.news_news .news_p1:hover{
    color: #D65861;
}
.news_news .news_p1:hover>span{
    color: #D65861;
}
.new_many{
    display: flex;
    justify-content: center;
    align-items: center;
}
.new_many a{
    width: 160px;
    height: 40px;
    margin: 0 15px;
    text-align: center;
    line-height: 40px;
    border: 1px solid #000;
}
.new_many a:hover{
    background: #C7000B;
    border: 0;
    color: #fff;
}
/* 底部 */
footer{
    background: #F2F2F2;
    padding-top: 20px;
}
.footer_center{
    width: 90%;
    margin: 0 auto;
}
.footer_index{
    height: 50px;
    border-bottom: 1px solid #ccc;
    display: flex;
    justify-content: space-between;
}
.footer_ipt{
    width:400px;
    height: 40px;
    display: flex;
    position: relative;
}
.footer_ipt input{
    width: 100%;
    padding: 3px 0 3px 5px ;
    outline: none;
    border: 1px solid #ccc;
    background: #fff;
    font-size: 18px;
}
.footer_ipt i{
    font-size: 25px;
    position: absolute;
    cursor: pointer;
    top: 7px;
    right: 20px;
    border-left: 1px solid #ccc;
    padding-left: 15px;
    color: #ccc;
}
.footer_about{
    padding:50px 0 30px 0 ;
    border-bottom: 1px solid #ccc;
    display: flex;
}
.footer_ul{
    list-style: none;
}
.footer_ul i{
    display: none;
}
.footer_about .footer_ul{
    width: 20%;
}
.footer_about .footer_ul .footer_li{
    font-size: 14px;
    margin: 15px 0;
}
.footer_about .footer_ul .footer_li a{
    color: #595757;
}
.footer_shop{
    display: flex;
    padding: 30px 0;
}
.footer_shop .f_shop{
    margin-right: 15px;
    font-size: 14px;
    color: #595757;
    cursor: pointer;
}
/* 联系我们 */
.call{
    display: flex;
    justify-content: center;
    padding: 20px 0;
    background: #E6E6E6;
}
.call_ul{
    display: flex;
    list-style: none;
    padding: 0 30px;
}
.call_ul_l{
    border-left: 1px solid #ccc;
}
.call_li{
    margin: 0 5px;
    font-size: 14px;
    color: #595757;
    cursor: pointer;
}
/* 回到顶部 */
.totop{
    width: 35px;
    height: 35px;
    background: #A4A4A4;
    position: fixed;
    right: 0;
    bottom: 20px;
    text-align: center;
    line-height: 35px;
    cursor: pointer;
    z-index: 999;
    display: none;
}
.totop i{
    font-size: 25px;
    color: #fff;
}
